Routers with protocol filtering function

Hi, another question here. Does the J series routers support protocol filtering?

One of our clients has a network that needs to dedicate one of their WAN connections specifically for Dec LAT (DECnet) traffic.

Their network diagram is like this: 2 remote sites, both using a router each and connected using 2 WAN lines. One line will be dedicated to IP-related network traffic, while another WAN link, which will be bridged, shall only pass Dec LAT traffic while filtering out all other types of traffic.

Re: Routers with protocol filtering function

Having said that, you may e able to use J-series box in packet-mode to MPLS-switch Ethernet frames between interface and RSVP LSP or between two interfaces whereas simultaneously route IP on anothet set of interfaces.

By saying "interfaces" I mean logical interfaces, not physical - you should be able to use two separate VLANs on single phy interface: one for DECnet over Ethernet and second for IP.

HTH

Rgds

Alex

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Re: Routers with protocol filtering function

If DECnet LAT is encapsulated in Ethernet-2 header with Ethertype 0x6004 as defined by IANA then Juniper routers are able to switch these frames _without_ looking into Ethernet payload. You can use a regular VLAN or MPLS services (CCC or VPLS) to do this switching.